PT ANTAM (Persero) Tbk is an Indonesian mining and metals company specializing in the exploration, excavation, processing and marketing of nickel ore, ferronickel, gold, silver, coal and bauxite. The company was incorporated in 1968 following the merger of several state-owned mining companies. PT ANTAM (Persero) Tbk employs 3600 workers and is headquartered in Jakarta, Indonesia.